SI9978DW(1999) 데이터 시트보기 (PDF) - Vishay Semiconductors
부품명
상세내역
일치하는 목록
SI9978DW Datasheet PDF : 6 Pages
| |||
Si9978DW
Vishay Siliconix
SPECIFICATIONS
Parameter
Symbol
Test Conditions
Unless Otherwise Specified
V+ = 20 to 40 V
Mina
Limits
-40 to 85°C
Typb
Maxa
Unit
Current Limit
Comparator Input Bias Current
IIB
Comparator Threshold Voltage
VTH
TA = 25°C
-5
-0.2
5
µA
90
100
110
mV
85
115
One Shot Pulse Width
tp
RA, RB = 100 kΩ, CA, CB = 100 pF
RA, RB = 100 kΩ, CA, CB = 0.001 µF
8
80
10
12
µs
100
120
Propagation Delay
tpd
CL = 600 pF
600
ns
Notes:
a. The algebraic convention whereby the most negative value is a minimum and the most positive a maximum, is used in this data sheet.
b. Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing.
c. VCAP = (V+) + (VDD)
TRUTH TABLE
H-BRIDGE MODEL
MODE
1
1
1
1
1
1
1
DIR/ EN/ QS/
INA ENA INB
1
1
1
1
1
0
0
1
1
0
1
0
X
1
X
X
0
X
X
1
X
PWM/
ENB
X
X
X
1
X
XX
X
BRK
0
0
0
0
1
X
0
X
ILA+
L
L
L
L
L
L
X
ILB+
X
X
X
X
X
X
X
X
CL/
GTA GBA GTB GBB FAULTB
H
L
L
1
L
L
1
L
H
L
1
L
L
1
L
H
K
H
1
L
L
L
L
1
L
L
L
L
L
L
L
L
1
FAULT/
FAULTA
1
1
1
1
1
1
0
Condition
Normal
Operation
Brake
Disable
Overcurrent
Undervoltage
on VDD
HALF-BRIDGE MODEL
DIR/ EN/ QS/
MODE INA ENA INB
0
1
1
X
0
0
1
X
0
X
0
1
0
X
0
0
PWM/
ENB
0
0
1
1
BRK
X
X
X
X
0
X
1
X
X
X
0
X
X
X
1
X
0
X
X
X
X
X
ILA+
L
L
L
L
X
X
ILB+
L
L
L
L
CL/
GTA GBA GTB GBB FAULTB
H
L
L
L
1
L
H
L
L
1
L
L
H
L
1
L
L
L
H
1
X
L
L
X
X
1
X
X
L
L
X
L
L
L
L
0
FAULT/
FAULTA
1
1
1
1
1
0
Condition
Normal
Operation
Overcurrent on
A
Overcurrent on
B
Undervoltage
on VDD
FaxBack 408-970-5600, request 70011
www.siliconix.com
S-60752—Rev. D, 05-Apr-99
3
Share Link: 